Glossary
Papule: a small, solid, elevated lesion

Vesicle: a small, elevated lesion filled with clear fluid

Eschar: Thick dried scab

Nodule: a palpable, solid, round or oval lesion

Pustule: a small, circumscribed, elevated lesion containing prurulent material

Macule: a flat rash

Maculopapular: consisting of both macules and papules; describes an eruption in which some lesions are flat and some are elevated

Crust: a formed outer layer of dried serum, blood, or prurulent exudate on the surface of the skin. It can be thick and adherent.

Umbilication: dimpling

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